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In low-speed network,it is usually adequ
In low-speed network,it is usually adequ
admin
2022-08-02
14
问题
In low-speed network,it is usually adequate to wait for congestion to occur and then react to it by telling the source of packets to slow down.In high-speed networks,this approach often works poorly,because in the(71)between sending the notification and notification arriving at the source,thousands of additional(72)may arrive.In ATM network,a major tool for preventing(73)is(74)control.When a host wants a new virtual(75),it must describe the traffic to be offered and the service expected.A.collisionB.congestionC.dropD.delay
选项
A.collision
B.congestion
C.drop
D.delay
答案
B
解析
在低速网络中,通常采用碰到拥塞时,通过向源端反映使其降低发送速率。而在告诉网络中,这种方式将会恶化,因为在发送通告和通告到达之间会有成千上万的其它数据包到达。在ATM网络中,主要采用允许控制来避免拥塞,当有一台主机要建立一条新的虚连接时,它必须描述它所需的流量和服务等级。
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本试题收录于:
中级 网络工程师题库软件水平考试初中高级分类
中级 网络工程师
软件水平考试初中高级
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